imx: spl: Partially revert "spl: eMMC/SD: Provide one __weak spl_boot_mode() function"
[people/ms/u-boot.git] / arch / arm / mach-imx / spl.c
CommitLineData
887717db
TH
1/*
2 * Copyright (C) 2014 Gateworks Corporation
3 * Copyright (C) 2011-2012 Freescale Semiconductor, Inc.
4 *
5 * Author: Tim Harvey <tharvey@gateworks.com>
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10#include <common.h>
11#include <asm/io.h>
12#include <asm/arch/imx-regs.h>
cba586b4 13#include <asm/arch/sys_proto.h>
887717db
TH
14#include <asm/spl.h>
15#include <spl.h>
552a848e 16#include <asm/mach-imx/hab.h>
c5c6f37a 17#include <asm/mach-imx/boot_mode.h>
511db3bf 18#include <g_dnl.h>
887717db 19
46668df5
JT
20DECLARE_GLOBAL_DATA_PTR;
21
887717db 22#if defined(CONFIG_MX6)
f2863ff3 23/* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */
887717db
TH
24u32 spl_boot_device(void)
25{
7b54f5a8 26 unsigned int bmode = readl(&src_base->sbmr2);
cba586b4 27 u32 reg = imx6_src_get_boot_mode();
887717db 28
40f4839c
SB
29 /*
30 * Check for BMODE if serial downloader is enabled
31 * BOOT_MODE - see IMX6DQRM Table 8-1
32 */
ac0a93fd 33 if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
962c78b1 34 return BOOT_DEVICE_BOARD;
96aac843 35
e203dcf2
SA
36 /*
37 * The above method does not detect that the boot ROM used
38 * serial downloader in case the boot ROM decided to use the
39 * serial downloader as a fall back (primary boot source failed).
40 *
41 * Infer that the boot ROM used the USB serial downloader by
42 * checking whether the USB PHY is currently active... This
43 * assumes that SPL did not (yet) initialize the USB PHY...
44 */
45 if (is_usbotg_phy_active())
46 return BOOT_DEVICE_BOARD;
47
887717db 48 /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
96aac843 49 switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
887717db 50 /* EIM: See 8.5.1, Table 8-9 */
96aac843 51 case IMX6_BMODE_EMI:
887717db 52 /* BOOT_CFG1[3]: NOR/OneNAND Selection */
96aac843
JT
53 switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
54 case IMX6_BMODE_ONENAND:
887717db 55 return BOOT_DEVICE_ONENAND;
96aac843 56 case IMX6_BMODE_NOR:
887717db
TH
57 return BOOT_DEVICE_NOR;
58 break;
96aac843 59 }
ac0a93fd 60 /* Reserved: Used to force Serial Downloader */
3bd1642d 61 case IMX6_BMODE_RESERVED:
962c78b1 62 return BOOT_DEVICE_BOARD;
887717db 63 /* SATA: See 8.5.4, Table 8-20 */
624da53c 64#if !defined(CONFIG_MX6UL) && !defined(CONFIG_MX6ULL)
96aac843 65 case IMX6_BMODE_SATA:
887717db 66 return BOOT_DEVICE_SATA;
624da53c 67#endif
887717db 68 /* Serial ROM: See 8.5.5.1, Table 8-22 */
96aac843 69 case IMX6_BMODE_SERIAL_ROM:
887717db 70 /* BOOT_CFG4[2:0] */
96aac843
JT
71 switch ((reg & IMX6_BMODE_SERIAL_ROM_MASK) >>
72 IMX6_BMODE_SERIAL_ROM_SHIFT) {
73 case IMX6_BMODE_ECSPI1:
74 case IMX6_BMODE_ECSPI2:
75 case IMX6_BMODE_ECSPI3:
76 case IMX6_BMODE_ECSPI4:
77 case IMX6_BMODE_ECSPI5:
887717db 78 return BOOT_DEVICE_SPI;
96aac843
JT
79 case IMX6_BMODE_I2C1:
80 case IMX6_BMODE_I2C2:
81 case IMX6_BMODE_I2C3:
887717db
TH
82 return BOOT_DEVICE_I2C;
83 }
84 break;
85 /* SD/eSD: 8.5.3, Table 8-15 */
96aac843
JT
86 case IMX6_BMODE_SD:
87 case IMX6_BMODE_ESD:
51efabac 88 return BOOT_DEVICE_MMC1;
887717db 89 /* MMC/eMMC: 8.5.3 */
96aac843
JT
90 case IMX6_BMODE_MMC:
91 case IMX6_BMODE_EMMC:
887717db 92 return BOOT_DEVICE_MMC1;
20f14714 93 /* NAND Flash: 8.5.2, Table 8-10 */
af104ae5 94 case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
887717db
TH
95 return BOOT_DEVICE_NAND;
96 }
97 return BOOT_DEVICE_NONE;
98}
511db3bf 99
d7cb10a0
PF
100#elif defined(CONFIG_MX7) || defined(CONFIG_MX8M)
101/* Translate iMX7/MX8M boot device to the SPL boot device enumeration */
c5c6f37a
UM
102u32 spl_boot_device(void)
103{
104 enum boot_device boot_device_spl = get_boot_device();
105
106 switch (boot_device_spl) {
107 case SD1_BOOT:
108 case MMC1_BOOT:
c5c6f37a
UM
109 case SD2_BOOT:
110 case MMC2_BOOT:
e7528a3d
EM
111 case SD3_BOOT:
112 case MMC3_BOOT:
cd9f3ff6 113 return BOOT_DEVICE_MMC1;
e7528a3d
EM
114 case NAND_BOOT:
115 return BOOT_DEVICE_NAND;
c5c6f37a
UM
116 case SPI_NOR_BOOT:
117 return BOOT_DEVICE_SPI;
d7cb10a0
PF
118 case USB_BOOT:
119 return BOOT_DEVICE_USB;
c5c6f37a
UM
120 default:
121 return BOOT_DEVICE_NONE;
122 }
123}
d7cb10a0 124#endif /* CONFIG_MX6 || CONFIG_MX7 || CONFIG_MX8M */
c5c6f37a 125
511db3bf
FE
126#ifdef CONFIG_SPL_USB_GADGET_SUPPORT
127int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
128{
a95aee6a 129 put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM + 0xfff, &dev->idProduct);
511db3bf
FE
130
131 return 0;
132}
133#endif
887717db 134
0339086b
FE
135#if defined(CONFIG_SPL_MMC_SUPPORT)
136/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
137u32 spl_boot_mode(const u32 boot_device)
138{
139 switch (spl_boot_device()) {
140 /* for MMC return either RAW or FAT mode */
141 case BOOT_DEVICE_MMC1:
142 case BOOT_DEVICE_MMC2:
143#if defined(CONFIG_SPL_FAT_SUPPORT)
144 return MMCSD_MODE_FS;
145#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
146 return MMCSD_MODE_EMMCBOOT;
147#else
148 return MMCSD_MODE_RAW;
149#endif
150 break;
151 default:
152 puts("spl: ERROR: unsupported device\n");
153 hang();
154 }
155}
156#endif
157
15b505b0
SE
158#if defined(CONFIG_SECURE_BOOT)
159
c5800b25
BD
160/*
161 * +------------+ 0x0 (DDR_UIMAGE_START) -
162 * | Header | |
163 * +------------+ 0x40 |
164 * | | |
165 * | | |
166 * | | |
167 * | | |
168 * | Image Data | |
169 * . | |
170 * . | > Stuff to be authenticated ----+
171 * . | | |
172 * | | | |
173 * | | | |
174 * +------------+ | |
175 * | | | |
176 * | Fill Data | | |
177 * | | | |
178 * +------------+ Align to ALIGN_SIZE | |
179 * | IVT | | |
180 * +------------+ + IVT_SIZE - |
181 * | | |
182 * | CSF DATA | <---------------------------------------------------------+
183 * | |
184 * +------------+
185 * | |
186 * | Fill Data |
187 * | |
188 * +------------+ + CSF_PAD_SIZE
189 */
190
15b505b0
SE
191__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
192{
193 typedef void __noreturn (*image_entry_noargs_t)(void);
c5800b25 194 uint32_t offset;
15b505b0
SE
195
196 image_entry_noargs_t image_entry =
197 (image_entry_noargs_t)(unsigned long)spl_image->entry_point;
198
4386feb7 199 debug("image entry point: 0x%lX\n", spl_image->entry_point);
15b505b0
SE
200
201 /* HAB looks for the CSF at the end of the authenticated data therefore,
202 * we need to subtract the size of the CSF from the actual filesize */
c5800b25 203 offset = spl_image->size - CONFIG_CSF_SIZE;
57f65486
BD
204 if (!imx_hab_authenticate_image(spl_image->load_addr,
205 offset + IVT_SIZE + CSF_PAD_SIZE,
206 offset)) {
15b505b0
SE
207 image_entry();
208 } else {
209 puts("spl: ERROR: image authentication unsuccessful\n");
210 hang();
211 }
212}
213
214#endif
46668df5
JT
215
216#if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT)
217int dram_init_banksize(void)
218{
219 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
220 gd->bd->bi_dram[0].size = imx_ddr_size();
221
222 return 0;
223}
224#endif